Steven David Miller / Sand bubble patterns created by Sand bubbler crabs (Scopimera inflata), Cape Hillsborough National Park, Queensland, Australia. September.
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Solvin Zankl / Common mole (Talpa europaea) feeding on a grub underground, Germany. Live, captive animal.
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Dave Bevan / Female Pantaloon bee (Dasypoda hirpites) returning to burrow, Bedfordshire, England, UK, July.
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Stephane Granzotto / Alpine marmot (Marmota marmota) standing alert outside burrow, takes fright and runs inside, Rhone-Alpes, France, July.
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Erlend Haarberg / Stoat (Mustela erminea) in snow tunnel, Laponia UNESCO World Heritage Site, Swedish Lapland, Sweden. January. Third place in Golden Turtle Photography Awards 2017 competition.
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Ann & Steve Toon / Meerkats (Suricata suricatta) with young, Kgalagadi Transfrontier Park, Northern Cape, South Africa, January.
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Tony Phelps / Cape cobra (Naja nivea) emerging from a Cape gerbil (Gerbilliscus afra) burrow, hunting and smelling with its tongue, De Hoop Nature Reserve, Western Cape, South Africa, January.
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Tony Phelps / Cape cobra (Naja nivea) hunting, chasing a Cape gerbil (Gerbilliscus afra), De Hoop Nature Reserve, Western Cape, South Africa, December.
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Danny Green / Atlantic Puffin (Fratercula arctica) looking down a nesting chamber, Skomer Island, Wales, UK, May
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Danny Green / Atlantic Puffin (Fratercula arctica) coming out of its burrow with a gift, Skomer Island, Wales, UK, May
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Adrian Davies / Blackback land crab (Gecarcinus lateralis) dragging leaf into burrow, Barbados.
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Alex Mustard / Spaghetti garden eels (Gorgasia maculata) stretching up out of their burrows on a rubble slope, with Mysiid shrimp swimming around their bodies near the seabed. Dumaguete, Dauin, Negros, Philippines....